I'm reading Randall Munroe's book How To: Absurd Scientific Advice for Common Real-World Problems. I probably don't have to tell you this, but it's awesome (as is everything from Randall Munroe, the ...
Using a few items from around the house you can create a pendulum. Materials Instructions STEP 1: Hang the string from the ceiling. STEP 2: Fill the balloon with water and tie off the balloon so the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback